Recipe quantity scaler
Recipe quantity scaler: calculate a transparent estimate from the values and assumptions you provide.
Your inputs stay in your browser. Displayed results are rounded to a maximum of 12 significant digits.
Method and assumptions
Method version 1.0.0 · Updated
Calculate
Formula: new amount = original amount × desired servings / original servings
Recipe quantity scaler: calculate a transparent estimate from the values and assumptions you provide.
- originalServings
- Original servings
- desiredServings
- Desired servings
- ingredientAmounts
- Ingredient amounts separated by ;
Cooking times, temperatures and leavening ratios do not always scale linearly.
Calculate with code
These short examples use the same inputs and core calculation as this tool. Adapt validation and formatting to your application.
JavaScript
const scaledFlourGrams = 250 * 6 / 4; // 375 g